The object cannot be accessed due to insufficient user rights
And what is the question?
If you expect any decent answer, edit your question to mention LO version and OS name. Expalin what you were doing and what you expect.
Read these guidelines.
Delete duplicate at 271769/the-object-cannot-be-accessed-due-to-insufficient-user-rightser/
… and please don’t assume that reformulation of the same problem into a new question makes a solution to appear faster - this seems to be the same problem as this one how do I get permissions to save a file?.
Please see my answer to question 267726. Could this apply?